Caps for luggage rack bracket for ST1100

[interceptor44]

Don't have the luggage rack mounted and would like to plug the mounting holes.
Are there caps for these or just have to find some elsewhere that fit?

 

[ST1100Y]

CAP,GRAB R*NH285*, P/N 77316-MT3-000ZA

 

[interceptor44]

CAP,GRAB R*NH285*, P/N 77316-MT3-000ZA

Thanks for the info...